Wheel-lubricator



-I. HUTCHINSON AND C. C. HAMILTON. WHEEL LUBRICAIOR. APPLICATION FILED MAR. 2|. I9I9- Patented Jan. 27, 1920.

A TTORNEYS JOSEPH HUTCELINSON AND IEAMILTGN, 0h

GULL LAKE, SASKATCHEWAN,

CANADA.

W'HEEL-LUBEICATGR.

Application filed To all whom it may concern:

Be it t'iat we, Josnri-i liiu'rcnnisox and QLIrronD HAMILTON, subjects of the King of Great Britain, and residents of Gull Lake, in the Province of Saskatchewan and Dominion of Canada, have invented certain new and useful improvements in lVheeLLubricators, of which the following is a specification.

Our invention relates to lubricators, and more particularly to lubricators which include a cup for using grease or hard lubricant to be used on wagon wheels.

An object of our invention is to provide a simple, cheap and efficient device applicable to wagon wheels for feeding grease or other hard lubricant, one which is manually operable as to its feed one which can be readily applied to any ordinary wheel of the type using a wooden hub and end metal axle bars.

Another object of the invention is to provide such a grease cup having an adjustable cap to regulate the feed, and means for holding the cap against retrograde movement or loss from the cup.

Another object is to produce a grease cup that will distribute its contents to different zones so that a more general distribution of the lubricant to the wagon axle will be secured.

With these and other objects in view our invention consists in certain novel features of construction, arrangement and combination of parts as will be hereinafter fully described and pointed out in the claims, reference being had to the accompanying drawings, in which Figure 1 is a perspective view of a wagon wheel with our improved lubricator applied thereto;

Fig. 2 is a vertical central section of the same;

Fig. 3 is an elevation showing application to a wooden hub, the hub being shown in section.

In the present embodiment of our invention it is shown in connection with a wheel 6 having a wooden hub 7 which has a tapered bore in which is fitted and suitably held a tapered axle box 8. Through the axle box, preferably in horizontal alinez-nent, are drilled holes or passages 9 the purpose of which will later appear. The grease cup 10 is externally threaded, as is typical of Specification of Letters Patent.

Patented Jan. 27, 1920.

191 Serial 110. 233,979.

this class of devices, and has a tubular outlet stem 11 extending centrally and downwardly therefrom a short distance and then divided into two downwardly and outwardly diverging tubes 12.

At the lower end of the divergent tubes, vertical tubes 13 are disposed, these tubes 18 being preferably integral with the divergat tubes, and at their junction the shoulders or anvils 1 1- are formed, the tubes 12 and 13 forming legs of unequal length, as plainly seen in Fig. 3. The lower ends of the tubes 13 have their outer surfaces provided with teeth or serrated portions, as shown.

The cap 16 is of the usual form, that is, internally threaded to screw on to the external thread of the cup body, but its top 17 is provided with a fork shaped saddle comprising upwardly extending arms 18 and a shank 19 extending centrally through the top and its lower end headed as at 20 to swivel the saddle in the top of the cap so that they may have relative rotary movements.

Resting or seated within the forked saddle is an upper cross bar 21 which extends beyond the periphery of the cap and terminating or provided with eyes 22. At diametrically opposite sides of the cup are disposed retractile springs 23, the upper and lower ends terminating in hooks 21 and 25, the hooks 2 lbeing caught into the eyes 22 at the ends of the bar 21. The lower hooks 25 of the springs are engaged with a flat bar 26, which has a central opening 27 through which the outlet stem of the cup passes. This bar is engaged by the lower ends of the retractile springs, at or near its ends, and the bar is preferably provided with openings or eyes adjacent its ends to receive the hooks 25 before referred to. The tendency of the springs 23 is to hold the cap down on the cup and against any ordinary movement in any direction, but the swivel formation given to the saddle permits the cap to be screwed down manually when desired to force grease from the cup to the outlets. Another tendency of the springs is to pull up on the perforated barhence the forked saddle top cross bar, springs and bottom bar virtual y con titute a flexible yoke, the parts of which will be held in position and without rattle or vibration.

It will be noticed that one leg of the bifurcated outlet or feed ube is shorter than the other and that this shorter leg has :1 larger bore than the longer leg, this being done to admit more grease to the thicker part of the hub or axle.

To apply the device, the cup being filled with the desired lubricant (grease) and the yoke put into place, the cup is placed be tween two adjacent spokes and the vertical legs 13 entered into the openings in the hub on opposite sides of the plane or the spoke, and then, striking the anvils l t with an ordinary hammer, tl e toothed lower ends are driven into and through the hub, the lower ends fitting into the alined holes already made in the axle box, the teeth holding the legs rigidly in place and preventing the loosening or withdrawal. of the legs from the hub.

By feeding the lubricant to the spaced apart zones such zones being adjacent the front and rear of the axle spindle, that a better distribution of the grease is secured as the grease will tend to spread in both directions from the feed point and toward each other will be apparent.

It will be seen that we oroduce a siinnle l .L a

cheap and efficient means for greasing axles whereby a uniform distribution of the lubricant takes place, preventing undue wear on the aXle and its box, and preventing what are generally styled hot boxes.

The forked saddle projecting :t'rom' the cap permits the upper yoke bar .21 being readily lifted and swung to one side so that. the cap may be removed for filling the cup with grease.

l/Ve claim:

1. A lubricator including a cup, a 1nanu ally controllable feed cap thereon, a yieldable yoke restrainin said can against rotation, and swivel means connecting said yoke and cap, whereby said cap may be rotated against the restraint of the yoke.

A lubricator including a grease cup and an adjustable screw cap thereon, a bifurcated outlet tube extending from the lower end of the cup, the bifurcations d verging downwardly and outwardly, tubular tertical legs at the lower ends or" the bifurcations, and anvils at the junction of the bifurcations and vertical legs.

3. A lubricator including a grease cup and an adjustable screw cap thereon, a forked saddle swiveled in the top or" the cap, and a yielding yoke engaging said saddle and cup, whereby the cap may be rotated against restraint of the yoke.

l. A lubricator including a grease cup and an adjustable screw cap thereon, a tubular stern extending downwardly from the cup, a forked saddle swiveled on the top of tl :3 cup, and a yielding yoke con rolling said cap, said yoke comprising cross bar seats: in said saddle, a cross bar slidably mounted on the tubular stern and resilient links connecting the ends of the said cross bars.

5. A lubricator including a grease cup and adjustable screw cap thereon, a bifurated tubular outlet tube at the lower end of said cup, the bifurcations of said tube diverging outwardly and downwardly and terminating in serrated nipples for engag ment with the hub of a wheel on opposite sides or" the spokes thereof.

JOSEPH HUTCHINSON. CLIFFORD C. HAMILTON. l Vitnesses R. CANN, A. M. LLOYD. 

